3843856 has 40 divisors (see below), whose sum is σ = 7878464. Its totient is φ = 1814400.

The previous prime is 3843841. The next prime is 3843859. The reversal of 3843856 is 6583483.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25381 + ... + 25531.

Almost surely, 2^3843856 is an apocalyptic number.

It is an amenable number.

3843856 is an abundant number, since it is smaller than the sum of its proper divisors (4034608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3843856 is a wasteful number, since it uses less digits than its factorization.

3843856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 3843856 is about 1960.5754257360. The cubic root of 3843856 is about 156.6471038397.

The spelling of 3843856 in words is "three million, eight hundred forty-three thousand, eight hundred fifty-six".